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Johnson & Johnson vaccine fact-check: Efficacy, contents and side effects

By / Published on Friday, 05 Mar 2021 19:39 PM / Comments Off on Johnson & Johnson vaccine fact-check: Efficacy, contents and side effects / 45 views



NBC News’ Erika Edwards compares and contrasts the Johnson & Johnson vaccine to those of Pfizer and Moderna, addressing concerns about efficacy rate and ingredients.